121111002222 has 32 divisors (see below), whose sum is σ = 277485868800. Its totient is φ = 34520553408.

The previous prime is 121111002211. The next prime is 121111002269. The reversal of 121111002222 is 222200111121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423447 + ... + 3458642.

It is an arithmetic number, because the mean of its divisors is an integer number (8671433400).

Almost surely, 2^121111002222 is an apocalyptic number.

121111002222 is an abundant number, since it is smaller than the sum of its proper divisors (156374866578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121111002222 is a wasteful number, since it uses less digits than its factorization.

121111002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882520.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121111002222 its reverse (222200111121), we get a palindrome (343311113343).

The spelling of 121111002222 in words is "one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred twenty-two".